PLZZ HELP
If the point a(2 -4) is equidistant from p(3,8) and q(-10,y), Find the values of y also find distance pq
Answers
Answer:
☞︎︎︎ (1)Goal-oriented :-
A sample design should be goal oriented. It is means and should be oriented to the research objectives and fitted to the survey conditions.
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☞︎︎︎ (2) Accurate representative of the universe:-
A sample should be an accurate representative of the universe from which it is taken. There are different methods for selecting a sample. It will be truly representative only when it represents all types of units or groups in the total population in fair proportions. In brief sample should be selected carefully as improper sampling is a source of error in the survey.
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☞︎︎︎ (3) Proportional :-
A sample should be proportional. It should be large enough to represent the universe properly. The sample size should be sufficiently large to provide statistical stability or reliability. The sample size should give accuracy required for the purpose of particular study.
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☞︎︎︎ (4) Random selection:-
A sample should be selected at random. This means that any item in the group has a full and equal chance of being selected and included in the sample. This makes the selected sample truly representative in character.
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☞︎︎︎ (5) Economical :-
A sample should be economical. The objectives of the survey should be achieved with minimum cost and effort.
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☞︎︎︎ (6) Practical :-
A sample design should be practical. The sample design should be simple i.e. it should be capable of being understood and followed in the fieldwork.
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☞︎︎︎ (7) Actual information provider :-
A sample should be designed so as to provide actual information required for the study and also provide an adequate basis for the measurement of its own reliability.
Answer:
answer:
The respiratory system is the network of organs and tissues that help you breathe. It includes your airways, lungs, and blood vessels. The muscles that power your lungs are also part of the respiratory system. These parts work together to move oxygen throughout the body and clean out waste gases like carbon dioxide.
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